Engineered for outdoor reliability, the Simpson Strong-Tie ZMax 7.13 in. H x 5 in. W 12 Ga. Steel Post Base delivers a secure, long-lasting foundation for wood posts in decks, fences, and pergolas. The ZMax coating provides superior corrosion resistance, helping your structure withstand moisture, humidity, and time without sacrificing strength.
What sets it apart
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ZMax-coated 12-gauge steel combines robust load-bearing capacity with durable outdoor protection, extending the life of your post connections.
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Compact, stable footprint at 5 in. wide and 7.13 in. tall helps transfer loads efficiently from post to footing or framing while maintaining a clean, finished look.
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Brand-backed dependability from Simpson Strong-Tie, a trusted name in structural connectors and post bases.
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Purpose-built for outdoor framing designed to secure posts in environments where weather exposure is a factor, delivering consistent performance over time.
Ideal uses
- Deck and patio rail posts that require a solid, corrosion-resistant base
- Fence line posts exposed to rain, irrigation, and seasonal moisture
- Pergolas, gazebos, and other outdoor structures where a dependable post connection is essential
Installation considerations
Choose appropriate fasteners compatible with 12-gauge steel and your project’s substrate. Ensure posts are plumb and aligned, and secure the base firmly to the framing or footing to maximize load transfer and long-term stability. For outdoor installations, rely on the ZMax-coated hardware and standard construction practices to maintain structural integrity across seasons.
Specifications
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Product Type: Post Base
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Brand: Simpson Strong-Tie
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Sub Brand: ZMax
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Material: Steel
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Gauge: 12
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Height: 7.13 in
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Width: 5 in